Implemented filesystem:// with the network service.

Bug: 797292
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_mojo
Change-Id: If5e18eb719ea282861ac82d89b0ec7e999dcfde8
Reviewed-on: https://chromium-review.googlesource.com/982752
Commit-Queue: Chris Mumford <cmumford@chromium.org>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Reviewed-by: Chris Mumford <cmumford@chromium.org>
Reviewed-by: Daniel Murphy <dmurph@chromium.org>
Cr-Commit-Position: refs/heads/master@{#560115}
11 files changed